A) core B) corona C) chronosphere D) photosphere
A) the aurora borealis B) flow of protons and electrons from sun C) lunar eclipse D) solar eclipse
A) 2 hydrogen atoms combine B) all of the above C) helium is formed D) nuclear fusion
A) solar winds B) the moon C) the sunset D) the northern lights
A) photosphere B) chronosphere C) convection zone D) corona
A) x rays B) radio waves C) gamma rays D) microwaves
A) radio waves B) x rays C) microwaves D) gamma rays
A) True B) False
A) we can see all of the electromagnetic spectrum B) the visible spectrum C) ultraviolet light D) infered light
A) 93 thousand miles B) 93 billion miles C) 1 light year D) 93 million miles |